| Oasis
Francee SS Kampala |
| Obongi
SS, Moyo |
| Odravu
SS |
| Offaka
SS |
| Ofua
Seed Sec Sch, Adjumani |
|
| Okollo
SS, Arua |
| Okufula
Sec Sch, Arua |
| Okwang
SS, Lira |
| Old
Kampala SS |
| Oleba
SS, Arua |
|
| Oligo
SS, Adjumani |
| Olila
High Sch |
| Oluko
SS, Arua |
| Ombachi
Self Help SS |
| Ombatiri
SS ,Arua |
|
| Omega
College, Kampala |
| Omoro
SS |
| Ongino
SS, Kumi |
| Onono
Memorial College |
| Opit
SS, Gulu |
|
| Oriajin
SS, Arua |
| Orum
SS, Lira |
| Orungo
High, Soroti |
| Osato
Voc SS, Mukono |
| Otravu
SS, Arua |
|
| Otuke
SS |
| Otumbari
SS, Arua |
| Otwal
SS, Lira |
|
| Our
ady SS Kitwekyambogo, Iganga |
| Our
Lady Consolata SS. Kireka |
| |
|
| Our Lady of Africa,
Seeta |
| Our Lady of Good
Counsel |
|
|
| Our
Lady Seat of Wisdom |
| Oxfard
College Kitgum |
| |
|
| Oxford
High School Mbale |
| Oxford High School,
Kawempe |
|
|
